Electronic cigarette



FIG. 1. is a perspective view of the electronic cigarette;

FIG. 2 is a side view of the side of the electronic cigarette;

FIG. 3 is a side view of the side of the electronic cigarette showing the side not illustrated in FIG. 2;

FIG. 4 is a bottom view of the electronic cigarette; and,

FIG. 5 is a top view of the electronic cigarette.

The broken lines are included for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM I claim the ornamental design for an electronic cigarette, as shown and described. 